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Old 06-03-2016, 05:48 PM
Ignotus Ignotus is offline
Join Date: Dec 2012
Posts: 1,075
Originally Posted by Dunmurry View Post
Well now I have a big plastic duck at home and when somebody walks past it it quacks and we have to put a bit of blu-tack in it to stop it from doing it. And it sits under a table beside a sofa but if somebody switches off the fluorescent lights in the kitchen it quacks only when you switch them off and even with the blu-tack in its mouth when it wouldn't quack if someone walked past it. So what's going on here about this? Anybody able to tell me more about what is happening around here then?
I think we have to establish a few more facts before we can answer your question:

1. Is the light from the kitchen visible from the position of the duck? What if you move the duck or close the kitchen door? Will it still quack when you turn the switch?

2. Is the duck plugged into a socket, or does it run on batteries?